Black's position is difficult now.
8... b7b5 Sacrificing a pawn to exploit the lead in development. White's opening strategy looks a bit dubious. 9. e2e4 Arjun refuses the pawn. 9... b5b4 Black advances the wrong pawn. 10. e4e5 A forced reply. Otherwise, White loses the e-pawn. 10... b4c3 A new move and also an inaccuracy.